Page 58 - NUMINO Challenge_C1
P. 58
Problem solving
1 12 matchsticks are used to form a shape that Key Points
has an area of 5. Try moving different numbers of
matchsticks to form shapes that have different If you move two
areas. Move two matchsticks to form a shape matchsticks that
that has an area of 6, four matchsticks to form a meet at a corner,
shape that has an area of 8, and six matchsticks you can change the
to form a shape that has an area of 9. shape such that its
area increases by 1.
2 Nine matchsticks are used to form a shape that Move the
has an area of 3. Move three matchsticks to form matchsticks to fill
shapes with areas of 4, 5, and 6. the areas between
the triangles.
Puzzles 55
1 12 matchsticks are used to form a shape that Key Points
has an area of 5. Try moving different numbers of
matchsticks to form shapes that have different If you move two
areas. Move two matchsticks to form a shape matchsticks that
that has an area of 6, four matchsticks to form a meet at a corner,
shape that has an area of 8, and six matchsticks you can change the
to form a shape that has an area of 9. shape such that its
area increases by 1.
2 Nine matchsticks are used to form a shape that Move the
has an area of 3. Move three matchsticks to form matchsticks to fill
shapes with areas of 4, 5, and 6. the areas between
the triangles.
Puzzles 55
